Type-writer cover.



APPLICATION FI'LED AUG. 18. i916.

L. CLAFLIN TYPE WRITER COVER.

Patented Aug. 7, 19W.

2 SHEETSSHEET A. L. CLAFLIN.'

TYPE WRITER COVER. APPLICATION FILED Ixus. I8. Isle.

1,235,554. Patentefmug. 7,1917.

2 SHEETS-SHEET 2.

@2M 3W i @lim A AUSTIN LEE CLAFLIN, OF LONDON, ENGLAND.

TYPE-WRITER COVER.

Specication of Letters Patent.

Patented Aug. 7, 1917.

Application filed August 18, 1916. Serial No. 115,687.

To aZZ whom t may concern.'

Be it known that I, AUSTIN LEE CLAFLIN, a citizen of the United Statesof America, and resident of 30 Corringham road, Golders Green, London,England, have invented an Improved Type-Writer Cover, of which thefollowing is a specification.

This invention relates to a typewriter cover of the kind adapted toinclose the machine with the exception of the keyboard and linedwithsound-insulating material in order to dea-den the noise occasionedby the operation of the machine, and has for its object to provide animproved cover which will enable access to the machine to be obtainedwith great facility.

A cover constructed in accordance with the present invention is providedwith a counterweighted pivotally-mounted arcuate panel adapted to closethe opening through which access is obtained to the typewriter.

Referring to the accompanying drawings, Figure l is a front elevation ofone form of cover constructed according to this invention. Figs. 2 and 3are cross sections thereof on the lines 2 2 and 3 3 respectively, Fig.1.

The form of cover illustrated is designed for use on a drop-actiontypewriter table of well-known construction of which only the movabletypewriter supporting surface a is shown with a typewriter Z) thereon.

The cover consists of a back c and end walls d, d which are secured tothe supporting surface a, lateral sections or doors e, e hinged to theend walls d, d, a plate f slidably carried between the doors e, copposite the keyboard of the typewriter, and an arcuate panel g. Theback c is curved over at its upper margin so as to form with the panel gan arcuate top to the cover, and the end walls d, Z are grooved as at hto guide the panel g which is carried by quadrantshaped plates j, jrevoluble about stub shafts c, k mounted between the end walls d, d andfalse walls Z, Z. On arms m, m constituting extensions of the plates j,y' are adjustably mounted counterweights n, fn. adapted to balance theweight of the panel g, so that the latter may be slidden back in thegrooves h with the minimum effort, and buffer springs or the like o, o,are arranged at the ends of the grooves to arrest the movement of saidpanel. The panel itself is composed for the greater part of its lengthe. between the false walls Z, Z) of glass or like transparent materialin order that the typewriter and the matter written thereby may beviewed, the end portions of said panel being of wood and furnished withhandles p, p, whereby the panel may be slidden back. To each of the endwalls Z and at the front edge thereof is hinged a door c extendinginwardly from the end wall Z almost to the frame of the typewriter Z)and adapted to be secured in closed position by a bolt g or like deviceengaging the supporting surface a. The inner edges of the doors e, e aregrooved in order that a plate f of glass or metal may be slid therein.As shown in F ig. 2, this plate f lies in front of the main body of thetypewriter but behind and above the keyboard so that the whole of themachine eXcept the keyboard is inclosed by the cover. The plate f ispreferably offset as at 7' to facilitate operation of the adjustablemarginal stops (not shown) of the typewriter, and the doors e, e areprovided with flanges such as s adapted to close the gaps occasioned bythe offset portion r. The top of said portion r and also the top of oneof the doors s is cut away as at t to accommodate the line-spacing leveru of the machine, which is made sufficiently long to project outside thecover. As shown, the supporting surface a, the back c, the false wallsZ, Z, and the doors e, c are lined with felt or like sound-insulatingmaterial o.

The construction of the cover is such that while the typewriter may beoperated in the usual manner as regards the keyboard and theline-spacing lever u, the effort necessary to slide back the panel g,when it is desired to make an erasure, insert fresh paper, or satisfyother requirement, is negligible owing to the pivotal mounting and theprovision of counterweights; consequently, although the advantages of asound-proof cover are obtained, the operation of the machine ispractically the same as if no cover were placed thereover.

What I claim is l. A typewriter cover comprising a body portionconstituting the back and end walls and part of the top of the cover,lateral sections secured to said end walls and constituting togetherwith a removable plate arranged between said sections the front wall ofthe cover, and a counterweighted, pivotally-mounted arcuate panelconstituting the remainder of the top.

2. A typewriter cover comprising a body portion constituting the backand end Walls of the cover, a counterweighted pivotallymounted:arcuatepanel constituting the remainder of the top, said panel beingnformed in part of transparent material, and a lining ofsound-insulating material on said back, end wallsand lateral sections,

3. A typewriter cover comprising a body portion constituting the backand end walls and part of the top of the cover, lateral sec. tionssecured to said end .walls and constituting' together with a removableplate arranged between said sections, the front wall of the cover, and acounterweighted, pivotally-mounted arcuate panel constituting theremainder of the top, a portion .of the upper edgeof said removableplate and of one of said lateral sections being cut away, substanftiallyV as set forth.

LA typewriter cover comprising a body portion constituting. the back andend `walls and part of the top of the cover, lateral sections secured tosaid end walls and constituting together with a removable plate a1ranged .between said sections the front wall of the cover, and acounterweighted, pivotally-.mounted arcuate panel constituting theremainder of the top, said arcuate panel being carried byquadrant-shaped plates revoluble about stub shafts mounted on said endwalls, substantiallyas set forth.

5. A typewriter cover comprising a body portion constituting the backand end walls and part of the top of the cover, lateral sectionsVsecured-to said end walls andconsti-v tuting together with a removableplate ar ranged vbetween said sections the front wall of the cover, anda counterweighted, pivotallY-IIlQuIlted arcuate panel constituting theGenies. 91 thsrateilt may be obtained ffor five cents each, byAasdresing the Commissioner 0f Patents.,

remainder of the top, saidV removable plate Ybeing slidable in groovesin said lateral section and being offset at its upper part,substantially as set forth.

' 6. `A typewriter cover comprising a body portion constituting the backand end walls and part of the top of the cover, lateral sections securedto said end walls and consti tilting together with a removable platearranged between said sections, the front `Wall of the cover, acounterweighted, pivotallymounted arcuate panel constituting theremainder of thetop, said panel being formed in part of transparentmaterial, a lining of sound-insulating material on said back, end walls,and lateral sections, a portion of the upper edge of said removableplate and of one ofsaid lateral sections being cut away and said arcuatepanel being'V carried by .r

walls, andlateral sections, a portion of the upper edge ofsaid removableplate and of one of said lateral section being cut away,

said arcuate. panel being carried4 by quad-V ranteshaped platesrevoluble about stub shafts mounted on said end walls, and saidremovable plate being slidable in grooves in said lateral sectionsfandbeing offset at its upper part, substantially as set forth.

i AUSTN LEE CLAFLN- Washington, IL10,

